Price movement over the last 24 hours
American Tower Corp vs Quest Diagnostics Inc — how do they compare? American Tower Corp trades at $168.92 (market cap $78.54B), while Quest Diagnostics Inc trades at $207.44 (market cap $22.96B). The key difference: American Tower Corp is far larger — about 3.4× Quest Diagnostics Inc's market cap, and American Tower Corp pays the higher dividend (4.14%). Which is the better fit depends on your goals.
| AMT | DGX | |
|---|---|---|
Market Cap | $78.54B | $22.96B |
Sector | Real Estate | Health |
52-Week High | $232.35 | $216.02 |
52-Week Low | $162.11 | $166.42 |
Enterprise Value | $122.07B | $28.98B |
Dividend Yield | 4.14% | 1.66% |
Signals from Pluang's Aura AI — not financial advice
American Tower (AMT) trades at $168.59, up 2.18% today, with strong earnings beats in recent quarters. The stock shows bearish technical signals but maintains robust fundamentals including a 26.81% net margin and 82.19% ROE. Recent news highlights its data center growth and sustainability initiatives, while analyst consensus remains strongly bullish with a $214.10 price target.
AMT presents a compelling long-term investment opportunity given its high profitability, dividend yield, and market leadership, though elevated debt levels and near-term technical weakness pose risks. Upside potential exists if the company continues executing on 5G and data center expansion, but investors should monitor interest rate sensitivity and competitive pressures.
Quest Diagnostics (DGX) trades at $207.44, down 0.29% today, with a bullish technical signal and consistent earnings beats in recent quarters. The company reported $11.04B revenue in 2025 with a 9.08% net margin, supported by strong cash flow from operations of $1.89B. Recent news highlights expansion of oncology testing services, including New York State approval for Haystack MRD, enhancing its diagnostic portfolio.
DGX offers steady growth with a consensus price target of $226, implying 9% upside. Risks include rising debt levels and healthcare policy uncertainties, but analyst sentiment leans positive with 38% buy ratings. The stock's valuation at a P/E of 22.92 appears reasonable given its profitability and market position.
Trailing returns across standard periods
Latest headlines on both assets
American Tower owns and operates more than 220,000 cell towers throughout the U.S., Asia, Latin America, Europe, and Africa. It also owns and/or operates 25 data centers in eight U.S. markets after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market being generated by just the top few mobile carriers. The company operates more than 40,000 towers in the U.S., which accounted for more than half of its total revenue in 2021. Outside the U.S., American Tower's greatest presence is in India and Brazil, where it operates roughly 75,000 and 19,000 towers, respectively. American Tower operates as a real estate investment trust.
Read more on AMT →Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →